How Architectural Engineers Impact Building Energy Use Lighting, Controls and Energy Savings.

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Presentation transcript:

How Architectural Engineers Impact Building Energy Use Lighting, Controls and Energy Savings

Visible Light

Subtractive color mixing Paint or Ink Additive color mixing LIGHT!

Light Source Technology Did you know? Sunlight has all colors of the rainbow and appears WHITE

Visible Light Reflected light is what we SEE The RED apple is red because it absorbs all light except RED The GREEN apple is green because it absorbs all light except GREEN

Light Source Technology Electric Light Bulb LAMP Filament Socket

Light Source Technology Incandescent Light

Light Source Technology Fluorescent Light Bulb Wall Phosphor UV Mercury Electricity Visible Light

Light Source Technology Compact Fluorescent Lamps (CFLs)

Light Source Technology Fluorescent Ballast

Light Source Technology Light-Emitting Diodes (LEDs)

Lighting Controls Power vs. Energy Energy Used

Lighting Controls Saving Energy through Occupancy Controls Energy Used Energy Saved Unoccupied

Lighting Controls Passive Infrared (PIR) Occupancy Sensors

Lighting Controls Ultrasonic Occupancy Sensors

Lighting Controls Daylighting

Lighting Controls Photocell

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